Kia Optima 2017, Owner'S Manual, Page: 618 / 776

Maintenance Under Severe Usage Conditions - For Diesel Engine [For Europe (Except Russia)]
Maintenance item
Maintenance
operation
Maintenance intervals Driving condition
Engine oil and engine oil filter R Every 15,000 km (10,000 miles) or 12 months
A, B, C, D, E, F, G,
H, I, J, K, L
Air cleaner filter R
Replace more frequently depending on the con‐
dition
C, E
Manual transaxle fluid (if equipped) R Every 120,000 km (80,000 miles) C, D, E, F, G, H, I, K
Dual clutch transmission (DCT) fluid (if
equipped)
R Every 120,000 km (80,000 miles) C, D, E, F, G, H, I, K
Automatic transaxle fluid (if equipped) R Every 90,000 km (60,000 miles)
A, C, D, E, F, G, H, I,
K
Steering gear rack, linkage and boots I
Inspect more frequently depending on the con‐
dition
C, D, E, F, G
Suspension ball joints I
Inspect more frequently depending on the con‐
dition
C, D, E, F, G
Brake discs and pads, calipers and ro‐
tors
I
Inspect more frequently depending on the con‐
dition
C, D, E, G, H
Brake drums and linings (if equipped) I
Inspect more frequently depending on the con‐
dition
C, D, E, G, H
Parking brake I
Inspect more frequently depending on the con‐
dition
C, D, G, H
Drive shaft and boots I
Inspect more frequently depending on the con‐
dition
C, D, E, F, G, H, I, K
Maintenance
8-32